复旦大学新闻学院新媒体硕士课程



使用folium做地图可视化



王成军

wangchengjun@nju.edu.cn

计算传播网 http://computational-communication.com


In [4]:
import folium, jinja2, vincent
from IPython.display import IFrame
from IPython.core.display import HTML
print(folium.__file__)
print(folium.__version__)


/Users/chengjun/anaconda/lib/python2.7/site-packages/folium-0.3.0.dev0-py2.7.egg/folium/__init__.pyc
0.3.0.dev

读入数据


In [76]:
import pickle

node_pkl = open('/Users/chengjun/GitHub/cjc2016/data/nodeLoc.pkl', 'rb')
nodeLoc = pickle.load(node_pkl)
node_pkl.close()

edge_pkl = open('/Users/chengjun/GitHub/cjc2016/data/edgeLoc.pkl', 'rb')
edgeLoc = pickle.load(edge_pkl)
edge_pkl.close()

绘制地图


In [5]:
map_osm = folium.Map(location=[45.5236, -122.6750])
map_osm


Out[5]:

In [77]:
beijing = folium.Map(location=(39.90403,116.407526), zoom_start=10)

In [78]:
beijing


Out[78]:

MarkerCluster


In [64]:
from folium.plugins import MarkerCluster

locations = nodeLoc
popups = ['{}'.format(loc) for loc in locations]
beijing.add_children(MarkerCluster(locations=locations, popups=popups))


Out[64]:

HeatMap


In [57]:
from folium import plugins

beijing.add_children(plugins.HeatMap(locations))


Out[57]:

In [ ]:
beijing.save('/Users/chengjun/GitHub/cjc2016/code/beijing_mobile.html')

PolyLine


In [65]:
colors = ['blue','orange',  'red']
for k, community in enumerate(edgeLoc):
    locations = edgeLoc[community]
    for loc in locations:
        line = folium.PolyLine(locations=loc, color=colors[k])
        beijing.add_children(line)

In [66]:
beijing


Out[66]:

In [67]:
beijing.save('/Users/chengjun/GitHub/cjc2016/vis/beijing_mobile_without_heat.html')

Convert HTML to PNG

  • Open the generated html with chrome,
  • Print to save it as pdf,
  • Open the pdf and export it as png or the other formats.

Data preparation

python数据持久存储:pickle模块的基本使用   python的pickle模块实现了基本的数据序列和反序列化。通过pickle模块的序列化操作我们能够将程序中运行的对象信息保存到文件中去,永久存储;通过pickle模块的反序列化操作,我们能够从文件中创建上一次程序保存的对象。


In [68]:
import pickle

In [69]:
output = open('/Users/chengjun/GitHub/cjc2016/data/edgeLoc.pkl', 'wb')

# Pickle dictionary using protocol 0.
pickle.dump(edgeLoc, output)

output.close()

In [70]:
output = open('/Users/chengjun/GitHub/cjc2016/data/nodeLoc.pkl', 'wb')

# Pickle list using protocol -1
pickle.dump(nodeLoc, output, -1)

output.close()

In [36]:
edgeLoc = {12196: [[(39.990111, 116.330251), (39.990301, 116.339161)],
              [(39.990111, 116.330251), (39.991104, 116.343872)],
              [(39.990111, 116.330251), (40.010696, 116.338602)],
              [(39.975028, 116.311556), (40.008801, 116.267881)],
              [(39.884931, 116.672281), (39.886901, 116.675301)],
              [(39.884931, 116.672281), (39.983333, 116.309944)],
              [(39.990311, 116.351102), (39.990301, 116.339161)],
              [(39.990311, 116.351102), (39.991104, 116.343872)],
              [(39.990311, 116.351102), (39.886901, 116.675301)],
              [(39.990311, 116.351102), (39.990531, 116.363311)],
              [(39.990311, 116.351102), (39.989352, 116.356064)],
              [(39.990311, 116.351102), (40.000241, 116.352881)],
              [(40.017402, 116.305637), (40.020209, 116.302722)],
              [(39.920349, 116.327869), (39.979381, 116.308711)],
              [(39.920349, 116.327869), (39.905001, 116.342225)],
              [(39.920349, 116.327869), (39.977181, 116.308881)],
              [(39.988501, 116.318872), (39.984811, 116.315931)],
              [(39.988501, 116.318872), (39.981691, 116.332721)],
              [(39.988501, 116.318872), (39.983061, 116.319341)],
              [(39.988501, 116.318872), (39.978994, 116.329721)],
              [(39.763371011, 116.322339649), (39.977181, 116.308881)],
              [(39.994141, 116.405721), (39.977237, 116.308991)],
              [(40.050083, 116.298417), (40.017394, 116.325471)],
              [(40.050083, 116.298417), (39.980345, 116.370601)],
              [(40.050083, 116.298417), (40.010696, 116.338602)],
              [(39.984811, 116.315931), (39.983061, 116.319341)],
              [(39.984811, 116.315931), (39.978994, 116.329721)],
              [(39.978994, 116.329721), (39.990301, 116.339161)],
              [(39.978994, 116.329721), (39.981691, 116.332721)],
              [(39.978994, 116.329721), (39.983061, 116.319341)],
              [(39.978994, 116.329721), (39.989352, 116.356064)],
              [(39.981691, 116.332721), (39.990301, 116.339161)],
              [(39.981691, 116.332721), (40.017394, 116.325471)],
              [(39.983118, 116.310884), (39.983464, 116.308398)],
              [(39.983464, 116.308398), (39.983471, 116.308391)],
              [(39.983464, 116.308398), (39.983056, 116.309167)],
              [(40.017394, 116.325471), (39.990301, 116.339161)],
              [(40.017394, 116.325471), (40.008171, 116.328254)],
              [(40.017394, 116.325471), (40.010696, 116.338602)],
              [(39.977181, 116.308881), (39.977237, 116.308991)],
              [(39.977181, 116.308881), (39.981928, 116.308731)],
              [(39.592431, 116.183104), (39.983333, 116.309944)],
              [(39.983056, 116.309167), (39.983333, 116.309944)],
              [(40.000241, 116.352881), (39.990301, 116.339161)],
              [(40.000241, 116.352881), (39.990531, 116.363311)],
              [(40.000241, 116.352881), (39.991104, 116.343872)],
              [(40.000241, 116.352881), (40.010696, 116.338602)],
              [(39.975395, 116.313438), (39.977237, 116.308991)],
              [(39.979381, 116.308711), (39.905001, 116.342225)],
              [(39.990301, 116.339161), (39.991104, 116.343872)],
              [(39.991541, 116.319551), (39.983333, 116.309944)],
              [(40.008171, 116.328254), (40.010696, 116.338602)],
              [(39.981928, 116.308731), (39.977147, 116.304633)],
              [(40.008801, 116.267881), (40.006201, 116.279001)],
              [(39.978871, 116.306551), (39.977147, 116.304633)],
              [(39.977237, 116.308991), (39.983333, 116.309944)],
              [(39.981862, 116.317841), (39.983061, 116.319341)],
              [(39.990531, 116.363311), (39.989352, 116.356064)]],
             12261: [[(40.200491, 116.179253), (40.183415, 116.161574)],
              [(40.200491, 116.179253), (40.183997, 116.191357)],
              [(40.200491, 116.179253), (40.218981, 116.230971)],
              [(40.226655, 116.226144), (40.145755, 116.302861)],
              [(40.226655, 116.226144), (40.210773, 116.239262)],
              [(40.226655, 116.226144), (40.222097, 116.220571)],
              [(40.226655, 116.226144), (40.218981, 116.230971)],
              [(40.226655, 116.226144), (40.213888, 116.221534)],
              [(40.226655, 116.226144), (40.213869, 116.234626)],
              [(40.055072, 116.313491), (40.076948, 116.302963)],
              [(40.055072, 116.313491), (40.098774, 116.302953)],
              [(40.171594, 116.244031), (40.210773, 116.239262)],
              [(40.171594, 116.244031), (40.183997, 116.191357)],
              [(40.100662, 116.276404), (40.098981, 116.285883)],
              [(40.100662, 116.276404), (40.096239, 116.272141)],
              [(40.100662, 116.276404), (40.112621, 116.289151)],
              [(40.100662, 116.276404), (40.095381, 116.283131)],
              [(40.100662, 116.276404), (40.106016, 116.276689)],
              [(40.100662, 116.276404), (40.103275, 116.284444)],
              [(40.216718, 116.216522), (39.792501, 116.486851)],
              [(40.216718, 116.216522), (40.213888, 116.221534)],
              [(40.216718, 116.216522), (40.212898, 116.228058)],
              [(40.216718, 116.216522), (40.218981, 116.230971)],
              [(40.029814, 116.317095), (40.034031, 116.319871)],
              [(40.029814, 116.317095), (40.039607, 116.316384)],
              [(40.029814, 116.317095), (40.035833, 116.309445)],
              [(40.056215, 116.327246), (40.058111, 116.330667)],
              [(40.056215, 116.327246), (40.047312, 116.333848)],
              [(40.056215, 116.327246), (40.055791, 116.324361)],
              [(40.056215, 116.327246), (40.057821, 116.340871)],
              [(40.240347, 116.117703), (40.231194, 116.118111)],
              [(40.240347, 116.117703), (40.235611, 116.124289)],
              [(40.240347, 116.117703), (40.220667, 116.239556)],
              [(40.133908, 116.260049), (40.125971, 116.252163)],
              [(40.133908, 116.260049), (40.125517, 116.261944)],
              [(40.133908, 116.260049), (40.131848, 116.266921)],
              [(40.073638, 116.310218), (40.083291, 116.322045)],
              [(40.073638, 116.310218), (40.076948, 116.302963)],
              [(40.073638, 116.310218), (40.077062, 116.325645)],
              [(40.073638, 116.310218), (40.068287, 116.333102)],
              [(40.073638, 116.310218), (40.073022, 116.316664)],
              [(40.073022, 116.316664), (40.083291, 116.322045)],
              [(40.073022, 116.316664), (40.058111, 116.330667)],
              [(40.073022, 116.316664), (40.089172, 116.302284)],
              [(40.073022, 116.316664), (40.065611, 116.322079)],
              [(40.073022, 116.316664), (40.087491, 116.324951)],
              [(40.073022, 116.316664), (40.099121, 116.338071)],
              [(40.073022, 116.316664), (40.077062, 116.325645)],
              [(40.073022, 116.316664), (40.068287, 116.333102)],
              [(40.073022, 116.316664), (40.076948, 116.302963)],
              [(40.231194, 116.118111), (40.235611, 116.124289)],
              [(40.052918, 116.369476), (40.058111, 116.330667)],
              [(40.052918, 116.369476), (40.041361, 116.373921)],
              [(40.140561, 116.262416), (40.141792, 116.258313)],
              [(40.140561, 116.262416), (40.125517, 116.261944)],
              [(40.140561, 116.262416), (40.131848, 116.266921)],
              [(40.134251, 116.252193), (40.125517, 116.261944)],
              [(40.035833, 116.309445), (40.058111, 116.330667)],
              [(40.035833, 116.309445), (40.043501, 116.298251)],
              [(40.035833, 116.309445), (40.034978, 116.306693)],
              [(40.035833, 116.309445), (40.062711, 116.295361)],
              [(40.035833, 116.309445), (40.039607, 116.316384)],
              [(40.035833, 116.309445), (40.034031, 116.319871)],
              [(40.206013, 116.223627), (40.209889, 116.228222)],
              [(40.206013, 116.223627), (40.213888, 116.221534)],
              [(40.076948, 116.302963), (40.083291, 116.322045)],
              [(40.076948, 116.302963), (40.089172, 116.302284)],
              [(40.076948, 116.302963), (40.087389, 116.300231)],
              [(40.076948, 116.302963), (40.043761, 116.285851)],
              [(40.076948, 116.302963), (40.098774, 116.302953)],
              [(40.076948, 116.302963), (40.087491, 116.324951)],
              [(40.076948, 116.302963), (40.099121, 116.338071)],
              [(40.076948, 116.302963), (40.077062, 116.325645)],
              [(40.076948, 116.302963), (40.069228, 116.299637)],
              [(40.112621, 116.289151), (40.125517, 116.261944)],
              [(40.112621, 116.289151), (40.118531, 116.267087)],
              [(40.112621, 116.289151), (40.131848, 116.266921)],
              [(40.038109, 116.323645), (40.039607, 116.316384)],
              [(40.118531, 116.267087), (40.120147, 116.254641)],
              [(40.118531, 116.267087), (40.131848, 116.266921)],
              [(40.118531, 116.267087), (40.106016, 116.276689)],
              [(40.118531, 116.267087), (40.125517, 116.261944)],
              [(40.118531, 116.267087), (40.218981, 116.230971)],
              [(40.118531, 116.267087), (40.125971, 116.252163)],
              [(40.034261, 116.358151), (40.040439, 116.349094)],
              [(40.145939, 116.252157), (40.125517, 116.261944)],
              [(40.145939, 116.252157), (40.218981, 116.230971)],
              [(40.081833, 116.294194), (40.098774, 116.302953)],
              [(40.081833, 116.294194), (40.235611, 116.124289)],
              [(40.081833, 116.294194), (40.089172, 116.302284)],
              [(40.043501, 116.298251), (40.043761, 116.285851)],
              [(40.043501, 116.298251), (40.055121, 116.307781)],
              [(40.043501, 116.298251), (40.034579, 116.288291)],
              [(40.043501, 116.298251), (40.034031, 116.319871)],
              [(40.125517, 116.261944), (40.209278, 116.216359)],
              [(40.125517, 116.261944), (40.213888, 116.221534)],
              [(40.125517, 116.261944), (40.131848, 116.266921)],
              [(40.125517, 116.261944), (40.120147, 116.254641)],
              [(40.125517, 116.261944), (40.152972, 116.298361)],
              [(40.125517, 116.261944), (40.141792, 116.258313)],
              [(40.125517, 116.261944), (40.103275, 116.284444)],
              [(40.108971, 116.268313), (40.106016, 116.276689)],
              [(40.213869, 116.234626), (40.215364, 116.240961)],
              [(40.213869, 116.234626), (40.210773, 116.239262)],
              [(40.213869, 116.234626), (40.211233, 116.239117)],
              [(40.213869, 116.234626), (40.212442, 116.246563)],
              [(40.213869, 116.234626), (40.209278, 116.216359)],
              [(40.213869, 116.234626), (40.216783, 116.256904)],
              [(40.213869, 116.234626), (40.209889, 116.228222)],
              [(40.213869, 116.234626), (40.220667, 116.239556)],
              [(40.213869, 116.234626), (40.212647, 116.251881)],
              [(40.213869, 116.234626), (40.213888, 116.221534)],
              [(40.213869, 116.234626), (40.218981, 116.230971)],
              [(40.213869, 116.234626), (40.212898, 116.228058)],
              [(40.213869, 116.234626), (40.183412, 116.232075)],
              [(40.213869, 116.234626), (40.214867, 116.247008)],
              [(40.212898, 116.228058), (40.210773, 116.239262)],
              [(40.212898, 116.228058), (40.211233, 116.239117)],
              [(40.212898, 116.228058), (40.213888, 116.221534)],
              [(40.212898, 116.228058), (40.209889, 116.228222)],
              [(40.212898, 116.228058), (40.220667, 116.239556)],
              [(40.212898, 116.228058), (40.218981, 116.230971)],
              [(40.212647, 116.251881), (40.214867, 116.247008)],
              [(40.212647, 116.251881), (40.210773, 116.239262)],
              [(40.212647, 116.251881), (40.212442, 116.246563)],
              [(40.212647, 116.251881), (40.216783, 116.256904)],
              [(39.787638, 116.493917), (39.790501, 116.483001)],
              [(39.787638, 116.493917), (39.787601, 116.493901)],
              [(39.787638, 116.493917), (39.790141, 116.482981)],
              [(39.787638, 116.493917), (40.187917, 117.153667)],
              [(39.787638, 116.493917), (39.792501, 116.486851)],
              [(40.033701, 116.330251), (40.039222, 116.339751)],
              [(40.039607, 116.316384), (40.034978, 116.306693)],
              [(40.039607, 116.316384), (40.034031, 116.319871)],
              [(40.039607, 116.316384), (40.041002, 116.315417)],
              [(40.034031, 116.319871), (40.034978, 116.306693)],
              [(40.034031, 116.319871), (40.034579, 116.288291)],
              [(40.040439, 116.349094), (40.058111, 116.330667)],
              [(40.040439, 116.349094), (40.041361, 116.373921)],
              [(40.154301, 116.250241), (40.156415, 116.244773)],
              [(40.154301, 116.250241), (40.158691, 116.266905)],
              [(40.034579, 116.288291), (40.034978, 116.306693)],
              [(40.103275, 116.284444), (40.106016, 116.276689)],
              [(40.103275, 116.284444), (40.098981, 116.285883)],
              [(40.083291, 116.322045), (40.089172, 116.302284)],
              [(40.083291, 116.322045), (40.098774, 116.302953)],
              [(40.083291, 116.322045), (40.087491, 116.324951)],
              [(40.083291, 116.322045), (40.099121, 116.338071)],
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              [(40.083291, 116.322045), (40.068287, 116.333102)],
              [(40.083291, 116.322045), (40.081066, 116.342998)],
              [(40.083291, 116.322045), (40.084444, 116.331417)],
              [(40.087389, 116.300231), (40.089172, 116.302284)],
              [(40.156415, 116.244773), (40.197801, 116.222841)],
              [(40.156415, 116.244773), (40.158691, 116.266905)],
              [(40.150118, 116.264351), (40.146371, 116.273861)],
              [(40.218981, 116.230971), (40.210773, 116.239262)],
              [(40.218981, 116.230971), (40.212442, 116.246563)],
              [(40.218981, 116.230971), (40.197801, 116.222841)],
              [(40.218981, 116.230971), (40.222097, 116.220571)],
              [(40.218981, 116.230971), (40.209889, 116.228222)],
              [(40.218981, 116.230971), (40.220667, 116.239556)],
              [(40.218981, 116.230971), (40.213888, 116.221534)],
              [(40.218981, 116.230971), (40.152972, 116.298361)],
              [(40.084444, 116.331417), (40.087491, 116.324951)],
              [(40.084444, 116.331417), (40.099121, 116.338071)],
              [(40.084444, 116.331417), (40.068287, 116.333102)],
              [(40.084444, 116.331417), (40.081066, 116.342998)],
              [(40.084444, 116.331417), (40.152972, 116.298361)],
              [(40.461806, 115.968917), (40.462333, 115.980861)],
              [(40.461806, 115.968917), (40.464911, 115.992917)],
              [(40.461806, 115.968917), (40.463311, 115.970806)],
              [(40.055791, 116.324361), (40.058111, 116.330667)],
              [(40.055791, 116.324361), (40.065611, 116.322079)],
              [(39.790501, 116.483001), (39.790141, 116.482981)],
              [(39.790501, 116.483001), (40.187917, 117.153667)],
              [(39.790501, 116.483001), (39.792501, 116.486851)],
              [(40.209889, 116.228222), (40.210773, 116.239262)],
              [(40.209889, 116.228222), (40.211233, 116.239117)],
              [(40.209889, 116.228222), (40.222097, 116.220571)],
              [(40.209889, 116.228222), (40.220667, 116.239556)],
              [(40.220667, 116.239556), (40.215364, 116.240961)],
              [(40.220667, 116.239556), (40.210773, 116.239262)],
              [(40.220667, 116.239556), (40.222097, 116.220571)],
              [(40.220667, 116.239556), (40.167991, 116.314012)],
              [(40.220667, 116.239556), (40.223035, 116.276701)],
              [(40.462333, 115.980861), (40.463311, 115.970806)],
              [(40.095381, 116.283131), (40.106016, 116.276689)],
              [(40.095381, 116.283131), (40.098981, 116.285883)],
              [(40.095381, 116.283131), (40.089172, 116.302284)],
              [(40.210773, 116.239262), (40.215364, 116.240961)],
              [(40.210773, 116.239262), (40.222097, 116.220571)],
              [(40.210773, 116.239262), (40.211233, 116.239117)],
              [(40.210773, 116.239262), (40.212442, 116.246563)],
              [(40.210773, 116.239262), (40.214867, 116.247008)],
              [(40.211233, 116.239117), (40.212442, 116.246563)],
              [(40.212442, 116.246563), (40.215364, 116.240961)],
              [(40.212442, 116.246563), (40.214867, 116.247008)],
              [(40.212442, 116.246563), (40.222097, 116.220571)],
              [(40.212442, 116.246563), (40.216783, 116.256904)],
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In [13]:
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In [ ]: